html,
body,
div,
span,
applet,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
pre,
a,
abbr,
acronym,
address,
big,
cite,
code,
del,
em,
img,
ins,
kbd,
q,
s,
samp,
small,
strike,
strong,
sub,
sup,
tt,
var,
b,
u,
i,
center,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label,
legend,
table,
caption,
tbody,
thead,
tfoot,
tr,
th,
td,
article,
aside,
canvas,
details,
embed,
figure,
nav,
output,
footer,
header,
hgroup,
menu,
nav,
output,
ruby,
section,
summary,
time,
mark,
audio,
video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
}

/*HTML5 display-role resel for older browsers */
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section {
    display: block;
}

body {
    line-height: 1;
}

ol,
ul {
    list-style: none;
}

blockquote,
q {
    quotes: none;
}

blockquote:before,
blockquote:after,
q:before,
q:after {
    content: '';
    content: none;
}

html {
    overflow-x: hidden;
}

table {
    border-collapse: collapse;
    border-spacing: 0;
}

.head {
    width: 1535px;
    height: 420px;
    background: url(首页.jpg);
    margin: none;
}

.title {
    height: 80px;
    background: black;
    opacity: .7;
}

.logo {
    float: left;
    padding: 5px 0 0 150px;
}

/*首页 边框*/
.homepage {
    float: left;
    font-size: 20px;
    padding: 26px 0 0 2px;
}

.homepage :hover {
    color: greenyellow;
}

.homepage li {
    float: left;
    margin: 0 auto;
    padding: 7px 0 0 10px;
    color: #fff(255 255 255);
}

.homepage a {
    text-decoration: none;
    color: #fff;
}

/*登录 边框*/
.signin {
    float: right;
    font-size: 10px;
    padding: 35px 200px 0 0;
}

.signin li {
    float: right;
}

.signin a {
    text-decoration: none;
    color: #fff;
}

.signin a:hover {
    color: greenyellow;
}

.signin p {
    color: silver;
}

/*主题 */
.theme h2 {
    font-size: 48px;
    text-align: center;
    color: #fff;
    margin-top: 80px;
}

.theme p {
    text-align: center;
    color: #fff;
    font-size: 20px;
    margin-top: 20px;
}

.theme a {
    display: inline-block;
    width: 150px;
    height: 30px;
    line-height: 30px;
    padding: 5px 5px 5px 5px;
    color: #fff;
    text-decoration: none;
    transition-duration: 0.4s;
    border: 1px solid #fff;
    border-radius: 25px;
}

.theme a:hover {
    background-color: salmon(0, 0, 0, .7);
    color: greenyellow;
    background-color: white;
}

/*第二层*/
.platoon {
    font-size: 48px;
    text-align: center;
    margin-top: 80px;
}

.picture {
    width: 1100px;
    height: 600px;
    background: url(精灵图.png);
    margin-left: 200px;
}

.bottom {
    width: 100%;
    height: 200px;
    background: url(底部.png) no-repeat center;
    background-color: #f4f4f4;
}

.hs {
    width: 100%;
    height: 100px;
    background: #000;
}